feat(playground): integrate WebSocket support and enhance language client in code editor

- Changed the import statement for `retrieveTreeStructure` from a default import to a named import from the `@/actions` module.
- This change improves code readability and adheres to best practices for module imports.

.eslintrc.json

@@ -1,3 +1,8 @@
 {
-  "extends": ["next/core-web-vitals", "next/typescript"]
+  "extends": ["next/core-web-vitals", "next/typescript"],
+  "rules": {
+    "@typescript-eslint/no-unused-vars": "warn",
+    "@typescript-eslint/no-empty-object-type": "warn",
+    "@typescript-eslint/no-require-imports": "warn"
+  }
 }

.gitignore

@@ -44,3 +44,6 @@ cache
 
 # bun
 bun.lockb
+
+# vscode
+.vscode

messages/en-US.json

@@ -0,0 +1,40 @@
+{
+    "Page": {
+        "DashboardPage": {
+            "title": "Welcome to Judge4c!"
+        },
+        "PlaygroundPage": {
+            "Components": {
+                "playgroundSidebar": {
+                    "title": "Files"
+                },
+                "ligaturesCheckbox": {
+                    "label": "Font Ligatures"
+                },
+                "minimapCheckbox": {
+                    "label": "Open Minimap"
+                }
+            }
+        }
+    },
+    "Components": {
+        "NavUser": {
+            "profile": "Profile",
+            "notifications": "Notifications",
+            "settings": "Settings",
+            "logout": "Log out",
+            "login": "Log in"
+        },
+        "NavProjects": {
+            "projects": "Projects",
+            "viewProject": "View Project",
+            "shareProject": "Share Project",
+            "deleteProject": "Delete Project",
+            "more": "More"
+        },
+        "NavSecondary": {
+            "support": "Support",
+            "feedback": "Feedback"
+        }
+    }
+}

messages/zh-CN.json

@@ -0,0 +1,40 @@
+{
+    "Page": {
+        "DashboardPage": {
+            "title": "欢迎使用Judge4c！"
+        },
+        "PlaygroundPage": {
+            "Components": {
+                "playgroundSidebar": {
+                    "title": "文件"
+                },
+                "ligaturesCheckbox": {
+                    "label": "连字"
+                },
+                "minimapCheckbox": {
+                    "label": "打开缩略图"
+                }
+            }
+        }
+    },
+    "Components": {
+        "NavUser": {
+            "profile": "个人资料",
+            "notifications": "通知",
+            "settings": "设置",
+            "logout": "登出",
+            "login": "登录"
+        },
+        "NavProjects": {
+            "projects": "项目",
+            "viewProject": "查看项目",
+            "shareProject": "分享项目",
+            "deleteProject": "删除项目",
+            "more": "更多"
+        },
+        "NavSecondary": {
+            "support": "支持",
+            "feedback": "反馈"
+        }
+    }
+}

next.config.ts

@@ -1,7 +1,8 @@
 import type { NextConfig } from "next";
+import createNextIntlPlugin from "next-intl/plugin";
 
-const nextConfig: NextConfig = {
+const withNextIntl = createNextIntlPlugin();
-  /* config options here */
-};
 
-export default nextConfig;
+const nextConfig: NextConfig = {};
+
+export default withNextIntl(nextConfig);

package.json

@@ -9,25 +9,51 @@
     "lint": "next lint"
   },
   "dependencies": {
+    "@fontsource-variable/fira-code": "^5.1.0",
+    "@monaco-editor/react": "^4.6.0",
+    "@radix-ui/react-alert-dialog": "^1.1.2",
+    "@radix-ui/react-avatar": "^1.1.1",
+    "@radix-ui/react-checkbox": "^1.1.3",
+    "@radix-ui/react-collapsible": "^1.1.1",
+    "@radix-ui/react-dialog": "^1.1.2",
+    "@radix-ui/react-dropdown-menu": "^2.1.2",
+    "@radix-ui/react-label": "^2.1.1",
+    "@radix-ui/react-select": "^2.1.2",
+    "@radix-ui/react-separator": "^1.1.0",
+    "@radix-ui/react-slot": "^1.1.0",
+    "@radix-ui/react-tabs": "^1.1.2",
+    "@radix-ui/react-tooltip": "^1.1.4",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "cross-fetch": "^4.0.0",
+    "devicons-react": "^1.4.0",
     "gitea-js": "^1.22.0",
+    "jotai": "^2.10.3",
     "lucide-react": "^0.468.0",
+    "monaco-languageclient": "^8.8.3",
     "next": "15.0.4",
     "next-auth": "^5.0.0-beta.25",
+    "next-intl": "^3.26.1",
+    "next-themes": "^0.4.4",
+    "normalize-url": "^8.0.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "reconnecting-websocket": "^4.4.0",
     "tailwind-merge": "^2.5.5",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwindcss-animate": "^1.0.7",
+    "vscode-ws-jsonrpc": "^3.3.2",
+    "zustand": "^5.0.2"
   },
   "devDependencies": {
-    "typescript": "^5",
+    "@shikijs/monaco": "^1.24.2",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "postcss": "^8",
-    "tailwindcss": "^3.4.1",
     "eslint": "^8",
-    "eslint-config-next": "15.0.4"
+    "eslint-config-next": "15.0.4",
+    "postcss": "^8",
+    "shiki": "^1.24.2",
+    "tailwindcss": "^3.4.1",
+    "typescript": "^5"
   }
 }

public/gitea.svg

@@ -0,0 +1,18 @@
+<svg version="1.1" id="main_outline" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
+    x="0px" y="0px" style="enable-background:new 0 0 640 640;" xml:space="preserve" viewBox="5.67 143.05 628.65 387.55">
+    <g>
+        <path id="teabag" style="fill:#FFFFFF"
+            d="M395.9,484.2l-126.9-61c-12.5-6-17.9-21.2-11.8-33.8l61-126.9c6-12.5,21.2-17.9,33.8-11.8   c17.2,8.3,27.1,13,27.1,13l-0.1-109.2l16.7-0.1l0.1,117.1c0,0,57.4,24.2,83.1,40.1c3.7,2.3,10.2,6.8,12.9,14.4   c2.1,6.1,2,13.1-1,19.3l-61,126.9C423.6,484.9,408.4,490.3,395.9,484.2z">
+        </path>
+        <g>
+            <g>
+                <path style="fill:#609926"
+                    d="M622.7,149.8c-4.1-4.1-9.6-4-9.6-4s-117.2,6.6-177.9,8c-13.3,0.3-26.5,0.6-39.6,0.7c0,39.1,0,78.2,0,117.2     c-5.5-2.6-11.1-5.3-16.6-7.9c0-36.4-0.1-109.2-0.1-109.2c-29,0.4-89.2-2.2-89.2-2.2s-141.4-7.1-156.8-8.5     c-9.8-0.6-22.5-2.1-39,1.5c-8.7,1.8-33.5,7.4-53.8,26.9C-4.9,212.4,6.6,276.2,8,285.8c1.7,11.7,6.9,44.2,31.7,72.5     c45.8,56.1,144.4,54.8,144.4,54.8s12.1,28.9,30.6,55.5c25,33.1,50.7,58.9,75.7,62c63,0,188.9-0.1,188.9-0.1s12,0.1,28.3-10.3     c14-8.5,26.5-23.4,26.5-23.4s12.9-13.8,30.9-45.3c5.5-9.7,10.1-19.1,14.1-28c0,0,55.2-117.1,55.2-231.1     C633.2,157.9,624.7,151.8,622.7,149.8z M125.6,353.9c-25.9-8.5-36.9-18.7-36.9-18.7S69.6,321.8,60,295.4     c-16.5-44.2-1.4-71.2-1.4-71.2s8.4-22.5,38.5-30c13.8-3.7,31-3.1,31-3.1s7.1,59.4,15.7,94.2c7.2,29.2,24.8,77.7,24.8,77.7     S142.5,359.9,125.6,353.9z M425.9,461.5c0,0-6.1,14.5-19.6,15.4c-5.8,0.4-10.3-1.2-10.3-1.2s-0.3-0.1-5.3-2.1l-112.9-55     c0,0-10.9-5.7-12.8-15.6c-2.2-8.1,2.7-18.1,2.7-18.1L322,273c0,0,4.8-9.7,12.2-13c0.6-0.3,2.3-1,4.5-1.5c8.1-2.1,18,2.8,18,2.8     l110.7,53.7c0,0,12.6,5.7,15.3,16.2c1.9,7.4-0.5,14-1.8,17.2C474.6,363.8,425.9,461.5,425.9,461.5z">
+                </path>
+                <path style="fill:#609926"
+                    d="M326.8,380.1c-8.2,0.1-15.4,5.8-17.3,13.8c-1.9,8,2,16.3,9.1,20c7.7,4,17.5,1.8,22.7-5.4     c5.1-7.1,4.3-16.9-1.8-23.1l24-49.1c1.5,0.1,3.7,0.2,6.2-0.5c4.1-0.9,7.1-3.6,7.1-3.6c4.2,1.8,8.6,3.8,13.2,6.1     c4.8,2.4,9.3,4.9,13.4,7.3c0.9,0.5,1.8,1.1,2.8,1.9c1.6,1.3,3.4,3.1,4.7,5.5c1.9,5.5-1.9,14.9-1.9,14.9     c-2.3,7.6-18.4,40.6-18.4,40.6c-8.1-0.2-15.3,5-17.7,12.5c-2.6,8.1,1.1,17.3,8.9,21.3c7.8,4,17.4,1.7,22.5-5.3     c5-6.8,4.6-16.3-1.1-22.6c1.9-3.7,3.7-7.4,5.6-11.3c5-10.4,13.5-30.4,13.5-30.4c0.9-1.7,5.7-10.3,2.7-21.3     c-2.5-11.4-12.6-16.7-12.6-16.7c-12.2-7.9-29.2-15.2-29.2-15.2s0-4.1-1.1-7.1c-1.1-3.1-2.8-5.1-3.9-6.3c4.7-9.7,9.4-19.3,14.1-29     c-4.1-2-8.1-4-12.2-6.1c-4.8,9.8-9.7,19.7-14.5,29.5c-6.7-0.1-12.9,3.5-16.1,9.4c-3.4,6.3-2.7,14.1,1.9,19.8     C343.2,346.5,335,363.3,326.8,380.1z">
+                </path>
+            </g>
+        </g>
+    </g>
+</svg>

src/actions/index.ts

@@ -0,0 +1,43 @@
+"use server";
+
+import api from "@/lib/gitea";
+import { GitEntry, APIError } from "gitea-js";
+
+export async function retrieveTreeStructure(
+  owner: string,
+  repo: string,
+  sha: string
+): Promise<GitEntry[]> {
+  try {
+    const response = await api.repos.getTree(owner, repo, sha, {
+      recursive: true,
+    });
+    return response.data.tree || [];
+  } catch (error) {
+    if ((error as APIError).message) {
+      console.error("Gitea API [getTree] Error", error);
+    } else {
+      console.error("Unexpected Error", error);
+    }
+    throw new Error("Failed to retrieve tree structure");
+  }
+}
+
+export async function retrieveFileContent(
+  owner: string,
+  repo: string,
+  path: string
+): Promise<{ encoding: string; content: string }> {
+  try {
+    const response = await api.repos.repoGetContents(owner, repo, path);
+    const { encoding, content } = response.data;
+    return { encoding: encoding || "", content: content || "" };
+  } catch (error) {
+    if ((error as APIError).message) {
+      console.error("Gitea API [repoGetContents] Error", error);
+    } else {
+      console.error("Unexpected Error", error);
+    }
+    throw new Error("Failed to retrieve file contents");
+  }
+}

src/app/dashboard/components/dashboard-sidebar.tsx

@@ -0,0 +1,190 @@
+"use client";
+
+import {
+  BookOpen,
+  Bot,
+  Command,
+  Frame,
+  LifeBuoy,
+  Map,
+  PieChart,
+  Send,
+  Settings2,
+  SquareTerminal,
+} from "lucide-react";
+import * as React from "react";
+import {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarHeader,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+} from "@/components/ui/sidebar";
+import { siteConfig } from "@/config/site";
+import { useTranslations } from "next-intl";
+import { NavMain } from "@/app/dashboard/components/nav-main";
+import { NavUser } from "@/app/dashboard/components/nav-user";
+import { NavProjects } from "@/app/dashboard/components/nav-projects";
+import { NavSecondary } from "@/app/dashboard/components/nav-secondary";
+
+export function DashboardSidebar({
+  ...props
+}: React.ComponentProps<typeof Sidebar>) {
+  const t = useTranslations();
+
+  const data = {
+    user: {
+      name: "gitea",
+      email: "about@gitea.com",
+      avatar: "/gitea.svg",
+    },
+    navMain: [
+      {
+        title: "Playground",
+        url: "/playground",
+        icon: SquareTerminal,
+        isActive: true,
+        items: [
+          {
+            title: "History",
+            url: "#",
+          },
+          {
+            title: "Starred",
+            url: "#",
+          },
+          {
+            title: "Settings",
+            url: "#",
+          },
+        ],
+      },
+      {
+        title: "Models",
+        url: "#",
+        icon: Bot,
+        items: [
+          {
+            title: "Genesis",
+            url: "#",
+          },
+          {
+            title: "Explorer",
+            url: "#",
+          },
+          {
+            title: "Quantum",
+            url: "#",
+          },
+        ],
+      },
+      {
+        title: "Documentation",
+        url: "#",
+        icon: BookOpen,
+        items: [
+          {
+            title: "Introduction",
+            url: "#",
+          },
+          {
+            title: "Get Started",
+            url: "#",
+          },
+          {
+            title: "Tutorials",
+            url: "#",
+          },
+          {
+            title: "Changelog",
+            url: "#",
+          },
+        ],
+      },
+      {
+        title: "Settings",
+        url: "#",
+        icon: Settings2,
+        items: [
+          {
+            title: "General",
+            url: "#",
+          },
+          {
+            title: "Team",
+            url: "#",
+          },
+          {
+            title: "Billing",
+            url: "#",
+          },
+          {
+            title: "Limits",
+            url: "#",
+          },
+        ],
+      },
+    ],
+    navSecondary: [
+      {
+        title: t("Components.NavSecondary.support"),
+        url: siteConfig.url,
+        icon: LifeBuoy,
+      },
+      {
+        title: t("Components.NavSecondary.feedback"),
+        url: siteConfig.url,
+        icon: Send,
+      },
+    ],
+    projects: [
+      {
+        name: "Design Engineering",
+        url: "#",
+        icon: Frame,
+      },
+      {
+        name: "Sales & Marketing",
+        url: "#",
+        icon: PieChart,
+      },
+      {
+        name: "Travel",
+        url: "#",
+        icon: Map,
+      },
+    ],
+  };
+
+  return (
+    <Sidebar variant="inset" {...props}>
+      <SidebarHeader>
+        <SidebarMenu>
+          <SidebarMenuItem>
+            <SidebarMenuButton size="lg" asChild>
+              <a href="#">
+                <div className="flex aspect-square size-8 items-center justify-center rounded-lg bg-sidebar-primary text-sidebar-primary-foreground">
+                  <Command className="size-4" />
+                </div>
+                <div className="grid flex-1 text-left text-sm leading-tight">
+                  <span className="truncate font-semibold">Acme Inc</span>
+                  <span className="truncate text-xs">Enterprise</span>
+                </div>
+              </a>
+            </SidebarMenuButton>
+          </SidebarMenuItem>
+        </SidebarMenu>
+      </SidebarHeader>
+      <SidebarContent>
+        <NavMain items={data.navMain} />
+        <NavProjects projects={data.projects} />
+        <NavSecondary items={data.navSecondary} className="mt-auto" />
+      </SidebarContent>
+      <SidebarFooter>
+        <NavUser user={data.user} />
+      </SidebarFooter>
+    </Sidebar>
+  );
+}

src/app/dashboard/components/nav-main.tsx

@@ -0,0 +1,77 @@
+"use client";
+
+import {
+  SidebarGroup,
+  SidebarGroupLabel,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+} from "@/components/ui/sidebar";
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from "@/components/ui/collapsible";
+import { ChevronRight, type LucideIcon } from "lucide-react";
+
+export function NavMain({
+  items,
+}: {
+  items: {
+    title: string;
+    url: string;
+    icon: LucideIcon;
+    isActive?: boolean;
+    items?: {
+      title: string;
+      url: string;
+    }[];
+  }[];
+}) {
+  return (
+    <SidebarGroup>
+      <SidebarGroupLabel>Platform</SidebarGroupLabel>
+      <SidebarMenu>
+        {items.map((item) => (
+          <Collapsible key={item.title} asChild defaultOpen={item.isActive}>
+            <SidebarMenuItem>
+              <SidebarMenuButton asChild tooltip={item.title}>
+                <a href={item.url}>
+                  <item.icon />
+                  <span>{item.title}</span>
+                </a>
+              </SidebarMenuButton>
+              {item.items?.length ? (
+                <>
+                  <CollapsibleTrigger asChild>
+                    <SidebarMenuAction className="data-[state=open]:rotate-90">
+                      <ChevronRight />
+                      <span className="sr-only">Toggle</span>
+                    </SidebarMenuAction>
+                  </CollapsibleTrigger>
+                  <CollapsibleContent>
+                    <SidebarMenuSub>
+                      {item.items?.map((subItem) => (
+                        <SidebarMenuSubItem key={subItem.title}>
+                          <SidebarMenuSubButton asChild>
+                            <a href={subItem.url}>
+                              <span>{subItem.title}</span>
+                            </a>
+                          </SidebarMenuSubButton>
+                        </SidebarMenuSubItem>
+                      ))}
+                    </SidebarMenuSub>
+                  </CollapsibleContent>
+                </>
+              ) : null}
+            </SidebarMenuItem>
+          </Collapsible>
+        ))}
+      </SidebarMenu>
+    </SidebarGroup>
+  );
+}

src/app/dashboard/components/nav-projects.tsx

@@ -0,0 +1,90 @@
+"use client";
+
+import {
+  Folder,
+  MoreHorizontal,
+  Share,
+  Trash2,
+  type LucideIcon,
+} from "lucide-react";
+import {
+  SidebarGroup,
+  SidebarGroupLabel,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  useSidebar,
+} from "@/components/ui/sidebar";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuSeparator,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+import { useTranslations } from "next-intl";
+
+export function NavProjects({
+  projects,
+}: {
+  projects: {
+    name: string;
+    url: string;
+    icon: LucideIcon;
+  }[];
+}) {
+  const { isMobile } = useSidebar();
+  const t = useTranslations("Components.NavProjects");
+
+  return (
+    <SidebarGroup className="group-data-[collapsible=icon]:hidden">
+      <SidebarGroupLabel>{t("projects")}</SidebarGroupLabel>
+      <SidebarMenu>
+        {projects.map((item) => (
+          <SidebarMenuItem key={item.name}>
+            <SidebarMenuButton asChild>
+              <a href={item.url}>
+                <item.icon />
+                <span>{item.name}</span>
+              </a>
+            </SidebarMenuButton>
+            <DropdownMenu>
+              <DropdownMenuTrigger asChild>
+                <SidebarMenuAction showOnHover>
+                  <MoreHorizontal />
+                  <span className="sr-only">{t("more")}</span>
+                </SidebarMenuAction>
+              </DropdownMenuTrigger>
+              <DropdownMenuContent
+                className="w-48"
+                side={isMobile ? "bottom" : "right"}
+                align={isMobile ? "end" : "start"}
+              >
+                <DropdownMenuItem>
+                  <Folder className="text-muted-foreground" />
+                  <span>{t("viewProject")}</span>
+                </DropdownMenuItem>
+                <DropdownMenuItem>
+                  <Share className="text-muted-foreground" />
+                  <span>{t("shareProject")}</span>
+                </DropdownMenuItem>
+                <DropdownMenuSeparator />
+                <DropdownMenuItem>
+                  <Trash2 className="text-muted-foreground" />
+                  <span>{t("deleteProject")}</span>
+                </DropdownMenuItem>
+              </DropdownMenuContent>
+            </DropdownMenu>
+          </SidebarMenuItem>
+        ))}
+        <SidebarMenuItem>
+          <SidebarMenuButton>
+            <MoreHorizontal />
+            <span>{t("more")}</span>
+          </SidebarMenuButton>
+        </SidebarMenuItem>
+      </SidebarMenu>
+    </SidebarGroup>
+  );
+}

src/app/dashboard/components/nav-secondary.tsx

@@ -0,0 +1,39 @@
+import * as React from "react";
+import {
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+} from "@/components/ui/sidebar";
+import { type LucideIcon } from "lucide-react";
+
+export function NavSecondary({
+  items,
+  ...props
+}: {
+  items: {
+    title: string;
+    url: string;
+    icon: LucideIcon;
+  }[];
+} & React.ComponentPropsWithoutRef<typeof SidebarGroup>) {
+  return (
+    <SidebarGroup {...props}>
+      <SidebarGroupContent>
+        <SidebarMenu>
+          {items.map((item) => (
+            <SidebarMenuItem key={item.title}>
+              <SidebarMenuButton asChild size="sm">
+                <a href={item.url}>
+                  <item.icon />
+                  <span>{item.title}</span>
+                </a>
+              </SidebarMenuButton>
+            </SidebarMenuItem>
+          ))}
+        </SidebarMenu>
+      </SidebarGroupContent>
+    </SidebarGroup>
+  );
+}

src/app/dashboard/components/nav-user.tsx

@@ -0,0 +1,159 @@
+"use client";
+
+import {
+  Bell,
+  LogIn,
+  LogOut,
+  Settings,
+  ChevronsUpDown,
+  CircleUserRound,
+} from "lucide-react";
+import { useMemo } from "react";
+import {
+  useSidebar,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+} from "@/components/ui/sidebar";
+import {
+  DropdownMenu,
+  DropdownMenuItem,
+  DropdownMenuGroup,
+  DropdownMenuLabel,
+  DropdownMenuContent,
+  DropdownMenuTrigger,
+  DropdownMenuSeparator,
+} from "@/components/ui/dropdown-menu";
+import { useTranslations } from "next-intl";
+import useConfirmationStore from "@/store/confirmationStore";
+import { signIn, signOut, useSession } from "next-auth/react";
+import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
+
+const UserAvatar = ({ src, alt }: { src: string; alt: string }) => (
+  <Avatar className="h-8 w-8 rounded-lg">
+    <AvatarImage src={src} alt={alt} />
+    <AvatarFallback className="rounded-lg">CN</AvatarFallback>
+  </Avatar>
+);
+
+export const NavUser = ({
+  user,
+}: {
+  user: {
+    name: string;
+    email: string;
+    avatar: string;
+  };
+}) => {
+  const { isMobile } = useSidebar();
+  const { data: session } = useSession();
+  const t = useTranslations("Components.NavUser");
+  const { openConfirmation } = useConfirmationStore();
+
+  const currentUser = useMemo(() => {
+    if (session?.user) {
+      return {
+        name: session.user.name ?? "Unknown",
+        email: session.user.email ?? "Unknown",
+        avatar: session.user.image ?? "/gitea.svg",
+      };
+    }
+    return user;
+  }, [session, user]);
+
+  return (
+    <SidebarMenu>
+      <SidebarMenuItem>
+        <DropdownMenu>
+          <DropdownMenuTrigger asChild>
+            <SidebarMenuButton
+              size="lg"
+              className="data-[state=open]:bg-sidebar-accent data-[state=open]:text-sidebar-accent-foreground"
+            >
+              <UserAvatar src={currentUser.avatar} alt={currentUser.name} />
+              <div className="grid flex-1 text-left text-sm leading-tight">
+                <span className="truncate font-semibold">
+                  {currentUser.name}
+                </span>
+                <span className="truncate text-xs">{currentUser.email}</span>
+              </div>
+              <ChevronsUpDown className="ml-auto size-4" />
+            </SidebarMenuButton>
+          </DropdownMenuTrigger>
+          <DropdownMenuContent
+            className="w-[--radix-dropdown-menu-trigger-width] min-w-56 rounded-lg"
+            side={isMobile ? "bottom" : "right"}
+            align="end"
+            sideOffset={4}
+          >
+            {session?.user ? (
+              <>
+                <DropdownMenuLabel className="p-0 font-normal">
+                  <div className="flex items-center gap-2 px-1 py-1.5 text-left text-sm">
+                    <UserAvatar
+                      src={currentUser.avatar}
+                      alt={currentUser.name}
+                    />
+                    <div className="grid flex-1 text-left text-sm leading-tight">
+                      <span className="truncate font-semibold">
+                        {currentUser.name}
+                      </span>
+                      <span className="truncate text-xs">
+                        {currentUser.email}
+                      </span>
+                    </div>
+                  </div>
+                </DropdownMenuLabel>
+                <DropdownMenuSeparator />
+                <DropdownMenuGroup>
+                  <DropdownMenuItem>
+                    <CircleUserRound />
+                    {t("profile")}
+                  </DropdownMenuItem>
+                </DropdownMenuGroup>
+                <DropdownMenuSeparator />
+                <DropdownMenuGroup>
+                  <DropdownMenuItem>
+                    <Bell />
+                    {t("notifications")}
+                  </DropdownMenuItem>
+                  <DropdownMenuItem>
+                    <Settings />
+                    {t("settings")}
+                  </DropdownMenuItem>
+                </DropdownMenuGroup>
+                <DropdownMenuSeparator />
+                <DropdownMenuGroup>
+                  <DropdownMenuItem
+                    onClick={() => {
+                      openConfirmation({
+                        title: "Leaving Already?",
+                        description: "Are you sure you want to say goodbye?",
+                        cancelLabel: "Stay",
+                        actionLabel: "Leave",
+                        onCancel: () => {},
+                        onAction: () => {
+                          signOut();
+                        },
+                      });
+                    }}
+                  >
+                    <LogOut />
+                    {t("logout")}
+                  </DropdownMenuItem>
+                </DropdownMenuGroup>
+              </>
+            ) : (
+              <DropdownMenuGroup>
+                <DropdownMenuItem onClick={() => signIn()}>
+                  <LogIn />
+                  {t("login")}
+                </DropdownMenuItem>
+              </DropdownMenuGroup>
+            )}
+          </DropdownMenuContent>
+        </DropdownMenu>
+      </SidebarMenuItem>
+    </SidebarMenu>
+  );
+};

src/app/dashboard/layout.tsx

@@ -0,0 +1,52 @@
+import {
+  SidebarInset,
+  SidebarProvider,
+  SidebarTrigger,
+} from "@/components/ui/sidebar";
+import {
+  Breadcrumb,
+  BreadcrumbItem,
+  BreadcrumbList,
+  BreadcrumbPage,
+} from "@/components/ui/breadcrumb";
+import { SessionProvider } from "next-auth/react";
+import { Separator } from "@/components/ui/separator";
+import { ModeSwitcher } from "@/components/mode-switcher";
+import ConfirmationDialog from "@/dialogs/ConfirmationDialog";
+import LanguageSwitcher from "@/components/language-switcher";
+import { DashboardSidebar } from "@/app/dashboard/components/dashboard-sidebar";
+
+export default function DashboardLayout({
+  children,
+}: Readonly<{ children: React.ReactNode }>) {
+  return (
+    <SessionProvider>
+      <SidebarProvider>
+        <DashboardSidebar />
+        <SidebarInset>
+          <header className="flex h-14 shrink-0 items-center gap-2">
+            <div className="flex flex-1 items-center gap-2 px-3">
+              <SidebarTrigger />
+              <ModeSwitcher />
+              <Separator orientation="vertical" className="mr-2 h-4" />
+              <Breadcrumb>
+                <BreadcrumbList>
+                  <BreadcrumbItem>
+                    <BreadcrumbPage className="line-clamp-1">
+                      Project Management & Task Tracking
+                    </BreadcrumbPage>
+                  </BreadcrumbItem>
+                </BreadcrumbList>
+              </Breadcrumb>
+            </div>
+            <div className="ml-auto px-3">
+              <LanguageSwitcher />
+            </div>
+          </header>
+          {children}
+        </SidebarInset>
+        <ConfirmationDialog />
+      </SidebarProvider>
+    </SessionProvider>
+  );
+}

src/app/dashboard/page.tsx

@@ -0,0 +1,17 @@
+import { useTranslations } from "next-intl";
+
+export default function DashboardPage() {
+  const t = useTranslations("Page.DashboardPage");
+  return (
+    <div className="flex flex-1 flex-col gap-4 p-4 pt-0">
+      <div className="grid auto-rows-min gap-4 md:grid-cols-3">
+        <div className="aspect-video rounded-xl bg-muted/50 flex items-center justify-center">
+          <h1 className="text-2xl font-bold">{t("title")}</h1>
+        </div>
+        <div className="aspect-video rounded-xl bg-muted/50" />
+        <div className="aspect-video rounded-xl bg-muted/50" />
+      </div>
+      <div className="min-h-[100vh] flex-1 rounded-xl bg-muted/50 md:min-h-min" />
+    </div>
+  );
+}

src/app/globals.css

@@ -27,7 +27,15 @@
     --chart-3: 197 37% 24%;
     --chart-4: 43 74% 66%;
     --chart-5: 27 87% 67%;
-    --radius: 0.5rem
+    --radius: 0.5rem;
+    --sidebar-background: 0 0% 98%;
+    --sidebar-foreground: 240 5.3% 26.1%;
+    --sidebar-primary: 240 5.9% 10%;
+    --sidebar-primary-foreground: 0 0% 98%;
+    --sidebar-accent: 240 4.8% 95.9%;
+    --sidebar-accent-foreground: 240 5.9% 10%;
+    --sidebar-border: 220 13% 91%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
   }
   .dark {
     --background: 240 10% 3.9%;
@@ -53,7 +61,15 @@
     --chart-2: 160 60% 45%;
     --chart-3: 30 80% 55%;
     --chart-4: 280 65% 60%;
-    --chart-5: 340 75% 55%
+    --chart-5: 340 75% 55%;
+    --sidebar-background: 240 5.9% 10%;
+    --sidebar-foreground: 240 4.8% 95.9%;
+    --sidebar-primary: 224.3 76.3% 48%;
+    --sidebar-primary-foreground: 0 0% 100%;
+    --sidebar-accent: 240 3.7% 15.9%;
+    --sidebar-accent-foreground: 240 4.8% 95.9%;
+    --sidebar-border: 240 3.7% 15.9%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
   }
 }
 @layer base {

src/app/layout.tsx

@@ -2,6 +2,9 @@ import "@/app/globals.css";
 import { cn } from "@/lib/utils";
 import type { Metadata } from "next";
 import { Inter } from "next/font/google";
+import { NextIntlClientProvider } from "next-intl";
+import { getLocale, getMessages } from "next-intl/server";
+import { ThemeProvider } from "@/components/theme-provider";
 
 const inter = Inter({ subsets: ["latin"], variable: "--font-sans" });
 
@@ -11,17 +14,30 @@ export const metadata: Metadata = {
     "A full-stack, open-source online judge platform designed to elevate college programming education",
 };
 
-export default function RootLayout({
+export default async function RootLayout({
   children,
 }: Readonly<{
   children: React.ReactNode;
 }>) {
+  const locale = await getLocale();
+  const messages = await getMessages();
+
   return (
-    <html lang="en" className="h-full" suppressHydrationWarning>
+    <html lang={locale} className="h-full" suppressHydrationWarning>
       <body
         className={cn("font-sans antialiased flex min-h-full", inter.variable)}
       >
-        <main className="w-full">{children}</main>
+        <ThemeProvider
+          attribute="class"
+          defaultTheme="system"
+          enableSystem
+          disableTransitionOnChange
+          enableColorScheme
+        >
+          <NextIntlClientProvider messages={messages}>
+            <div className="w-full">{children}</div>
+          </NextIntlClientProvider>
+        </ThemeProvider>
       </body>
     </html>
   );

src/app/playground/components/code-editor.tsx

@@ -0,0 +1,172 @@
+"use client";
+
+import {
+  toSocket,
+  WebSocketMessageReader,
+  WebSocketMessageWriter,
+} from "vscode-ws-jsonrpc";
+import {
+  CloseAction,
+  ErrorAction,
+  MessageTransports,
+} from "vscode-languageclient";
+import "@fontsource-variable/fira-code";
+import normalizeUrl from "normalize-url";
+import { createHighlighter } from "shiki";
+import type { editor } from "monaco-editor";
+import { shikiToMonaco } from "@shikijs/monaco";
+import { useEffect, useRef, useMemo } from "react";
+import { useCodeEditorStore } from "@/store/codeEditorStore";
+import { MonacoLanguageClient } from "monaco-languageclient";
+import MonacoEditor, { type Monaco } from "@monaco-editor/react";
+import { initServices } from "monaco-languageclient/vscode/services";
+
+const ReconnectingWebSocket = require("reconnecting-websocket");
+
+const ADDITIONAL_THEMES = [
+  "andromeeda",
+  "aurora-x",
+  "ayu-dark",
+  "catppuccin-frappe",
+  "catppuccin-latte",
+  "catppuccin-macchiato",
+  "catppuccin-mocha",
+  "dark-plus",
+  "dracula",
+  "dracula-soft",
+  "one-dark-pro",
+  "vitesse-dark",
+  "vitesse-light",
+];
+
+const ADDITIONAL_LANGUAGES = [
+  "c",
+  "cpp",
+  "java",
+  "python",
+  "typescript",
+] as const satisfies Parameters<typeof createHighlighter>[0]["langs"];
+
+export function CodeEditor() {
+  const monacoRef = useRef<Monaco | null>(null);
+  const editorRef = useRef<editor.IStandaloneCodeEditor | null>(null);
+  const { lang, path, theme, value, isMinimap, isLigature } =
+    useCodeEditorStore();
+
+  useEffect(() => {
+    if (monacoRef.current && editorRef.current) {
+      monacoRef.current.editor.setTheme(theme);
+    }
+  }, [theme]);
+
+  const options = useMemo(
+    () =>
+      ({
+        minimap: { enabled: isMinimap, size: "fit" },
+        fontSize: 14,
+        fontFamily: "Fira Code Variable, monospace",
+        tabSize: 4,
+        showFoldingControls: "always",
+        fontLigatures: isLigature,
+        automaticLayout: true,
+        autoIndent: "full",
+        guides: {
+          bracketPairs: true,
+          indentation: true,
+        },
+      } as editor.IStandaloneEditorConstructionOptions),
+    [isMinimap, isLigature]
+  );
+
+  const createLanguageClient = (
+    transports: MessageTransports
+  ): MonacoLanguageClient => {
+    return new MonacoLanguageClient({
+      name: "LSP Language Client",
+      clientOptions: {
+        documentSelector: ADDITIONAL_LANGUAGES,
+        errorHandler: {
+          error: () => ({ action: ErrorAction.Continue }),
+          closed: () => ({ action: CloseAction.DoNotRestart }),
+        },
+      },
+      connectionProvider: {
+        get: () => {
+          return Promise.resolve(transports);
+        },
+      },
+    });
+  };
+
+  useEffect(() => {
+    if (!monacoRef.current) return;
+    const url = normalizeUrl(`ws://172.20.0.13:3000`);
+    const socketOptions = {
+      maxReconnectionDelay: 10000,
+      minReconnectionDelay: 1000,
+      reconnectionDelayGrowFactor: 1.3,
+      connectionTimeout: 10000,
+      maxRetries: Infinity,
+      debug: true,
+    };
+    const webSocket: WebSocket = new ReconnectingWebSocket.default(
+      url,
+      [],
+      socketOptions
+    );
+
+    webSocket.onopen = () => {
+      console.log("WebSocket connection opened");
+      const socket = toSocket(webSocket);
+      const reader = new WebSocketMessageReader(socket);
+      const writer = new WebSocketMessageWriter(socket);
+      const languageClient = createLanguageClient({ reader, writer });
+      languageClient.start();
+      reader.onClose(() => languageClient.stop());
+    };
+
+    webSocket.onerror = (error) => {
+      console.error("WebSocket error:", error);
+    };
+
+    webSocket.onclose = (event) => {
+      console.log("WebSocket connection closed:", event);
+    };
+
+    return () => {
+      webSocket.close();
+    };
+  }, [monacoRef]);
+
+  const handleEditorMount = async (
+    editor: editor.IStandaloneCodeEditor,
+    monaco: Monaco
+  ) => {
+    editorRef.current = editor;
+    monacoRef.current = monaco;
+
+    for (const lang of ADDITIONAL_LANGUAGES) {
+      monacoRef.current?.languages.register({ id: lang });
+    }
+
+    const highlighter = await createHighlighter({
+      themes: ADDITIONAL_THEMES,
+      langs: ADDITIONAL_LANGUAGES,
+    });
+
+    shikiToMonaco(highlighter, monacoRef.current);
+
+    await initServices({});
+  };
+
+  return (
+    <MonacoEditor
+      defaultLanguage={lang}
+      theme={theme}
+      path={path}
+      options={options}
+      defaultValue={value}
+      onMount={handleEditorMount}
+    />
+  );
+}

src/app/playground/components/ligatures-checkbox.tsx

@@ -0,0 +1,18 @@
+"use client";
+
+import { useTranslations } from "next-intl";
+import { Label } from "@/components/ui/label";
+import { Checkbox } from "@/components/ui/checkbox";
+import { useCodeEditorStore } from "@/store/codeEditorStore";
+
+export default function LigaturesCheckbox() {
+  const t = useTranslations("Page.PlaygroundPage.Components.ligaturesCheckbox");
+  const { setIsLigature } = useCodeEditorStore();
+
+  return (
+    <div className="flex items-center gap-2">
+      <Checkbox onCheckedChange={setIsLigature} />
+      <Label>{t("label")}</Label>
+    </div>
+  );
+}

src/app/playground/components/minimap-checkbox.tsx

@@ -0,0 +1,18 @@
+"use client";
+
+import { useTranslations } from "next-intl";
+import { Label } from "@/components/ui/label";
+import { Checkbox } from "@/components/ui/checkbox";
+import { useCodeEditorStore } from "@/store/codeEditorStore";
+
+export default function MinimapCheckbox() {
+  const t = useTranslations("Page.PlaygroundPage.Components.minimapCheckbox");
+  const { setIsMinimap } = useCodeEditorStore();
+
+  return (
+    <div className="flex items-center gap-2">
+      <Checkbox onCheckedChange={setIsMinimap} />
+      <Label>{t("label")}</Label>
+    </div>
+  );
+}

src/app/playground/components/playground-sidebar.tsx

@@ -0,0 +1,223 @@
+"use client";
+
+import {
+  COriginal,
+  CplusplusOriginal,
+  JavaOriginal,
+  PythonOriginal,
+  TypescriptOriginal,
+} from "devicons-react";
+import * as React from "react";
+import {
+  Sidebar,
+  SidebarContent,
+  SidebarGroup,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarMenu,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSub,
+  SidebarRail,
+} from "@/components/ui/sidebar";
+import { GitEntry } from "gitea-js";
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from "@/components/ui/collapsible";
+import * as actions from "@/actions";
+import { useTranslations } from "next-intl";
+import { useSession } from "next-auth/react";
+import { useCodeEditorStore } from "@/store/codeEditorStore";
+import { ChevronRight, File, Folder, FolderOpen } from "lucide-react";
+
+interface FileTree {
+  name: string;
+  path: string;
+  type: "blob" | "tree";
+  children?: { [key: string]: FileTree };
+}
+
+export function buildFileTree(tree: GitEntry[]): FileTree {
+  const root: FileTree = { name: "", type: "tree", path: "", children: {} };
+
+  tree.forEach((entry: GitEntry) => {
+    if (!entry.path) return;
+
+    const pathParts = entry.path.split("/");
+    let currentLevel = root;
+
+    pathParts.forEach((part: string, index: number) => {
+      if (!currentLevel.children) {
+        currentLevel.children = {};
+      }
+
+      const fullPath = pathParts.slice(0, index + 1).join("/");
+
+      if (!currentLevel.children[part]) {
+        currentLevel.children[part] = {
+          name: part,
+          path: fullPath,
+          type: entry.type as "blob" | "tree",
+          children: {},
+        };
+      }
+
+      currentLevel = currentLevel.children[part];
+    });
+  });
+
+  if (root.children) {
+    const sortedChildren = Object.values(root.children).sort((a, b) => {
+      if (a.type === "tree" && b.type === "blob") return -1;
+      if (a.type === "blob" && b.type === "tree") return 1;
+      return a.name.localeCompare(b.name);
+    });
+
+    root.children = sortedChildren.reduce((acc, child) => {
+      acc[child.name] = child;
+      return acc;
+    }, {} as { [key: string]: FileTree });
+  }
+
+  return root;
+}
+
+export function PlaygroundSidebar({
+  ...props
+}: React.ComponentProps<typeof Sidebar>) {
+  const { data: session } = useSession();
+  const [fileTree, setFileTree] = React.useState<FileTree>({
+    name: "",
+    path: "",
+    type: "tree",
+    children: {},
+  });
+
+  const username = session?.user?.name ?? "";
+  const t = useTranslations("Page.PlaygroundPage.Components.playgroundSidebar");
+
+  React.useEffect(() => {
+    async function fetchFileTree() {
+      if (username) {
+        const tree: GitEntry[] = await actions.retrieveTreeStructure(
+          username,
+          "playground",
+          "main"
+        );
+        const newFileTree = buildFileTree(tree);
+        setFileTree(newFileTree);
+      }
+    }
+    fetchFileTree();
+  }, [username]);
+
+  return (
+    <Sidebar {...props}>
+      <SidebarContent>
+        <SidebarGroup>
+          <SidebarGroupLabel>{t("title")}</SidebarGroupLabel>
+          <SidebarGroupContent>
+            <SidebarMenu>
+              {fileTree.children &&
+                Object.values(fileTree.children).map((item, index) => (
+                  <Tree key={index} item={item} />
+                ))}
+            </SidebarMenu>
+          </SidebarGroupContent>
+        </SidebarGroup>
+      </SidebarContent>
+      <SidebarRail />
+    </Sidebar>
+  );
+}
+
+function Tree({ item }: { item: FileTree }) {
+  const { data: session } = useSession();
+  const username = session?.user?.name ?? "";
+  const { name, path, type, children } = item;
+  const fileExtension = name.split(".").pop();
+
+  let fileIcon = <File />;
+
+  if (fileExtension === "c") {
+    fileIcon = <COriginal />;
+  } else if (fileExtension === "cpp") {
+    fileIcon = <CplusplusOriginal />;
+  } else if (fileExtension === "java") {
+    fileIcon = <JavaOriginal />;
+  } else if (fileExtension === "py") {
+    fileIcon = <PythonOriginal />;
+  } else if (fileExtension === "ts") {
+    fileIcon = <TypescriptOriginal />;
+  }
+
+  const [isOpen, setIsOpen] = React.useState(false);
+  const { setLang, setPath, setValue } = useCodeEditorStore();
+
+  const langMap: { [key: string]: string } = {
+    c: "c",
+    cpp: "cpp",
+    java: "java",
+    py: "python",
+    ts: "typescript",
+  };
+
+  const handleFileClick = async () => {
+    if (type === "blob") {
+      const fileContentsResponse = await actions.retrieveFileContent(
+        username,
+        "playground",
+        path
+      );
+      const { encoding, content } = fileContentsResponse;
+      const decodedContent = Buffer.from(
+        content,
+        encoding as BufferEncoding
+      ).toString("utf-8");
+      const lang = langMap[fileExtension ?? ""] || "plaintext";
+      setLang(lang);
+      setPath(path);
+      setValue(decodedContent);
+    }
+  };
+
+  if (type === "blob") {
+    return (
+      <SidebarMenuButton
+        className="data-[active=true]:bg-transparent"
+        onClick={handleFileClick}
+      >
+        {fileIcon}
+        {name}
+      </SidebarMenuButton>
+    );
+  }
+
+  return (
+    <SidebarMenuItem>
+      <Collapsible
+        open={isOpen}
+        onOpenChange={setIsOpen}
+        className="group/collapsible [&[data-state=open]>button>svg:first-child]:rotate-90"
+      >
+        <CollapsibleTrigger asChild>
+          <SidebarMenuButton>
+            <ChevronRight className="transition-transform" />
+            {isOpen ? <FolderOpen /> : <Folder />}
+            {name}
+          </SidebarMenuButton>
+        </CollapsibleTrigger>
+        <CollapsibleContent>
+          <SidebarMenuSub>
+            {children &&
+              Object.values(children).map((subItem, index) => (
+                <Tree key={index} item={subItem} />
+              ))}
+          </SidebarMenuSub>
+        </CollapsibleContent>
+      </Collapsible>
+    </SidebarMenuItem>
+  );
+}

src/app/playground/components/theme-selector.tsx

@@ -0,0 +1,47 @@
+"use client";
+
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { useCodeEditorStore } from "@/store/codeEditorStore";
+
+const themeOptions = [
+  { value: "andromeeda", label: "Andromeeda" },
+  { value: "aurora-x", label: "Aurora X" },
+  { value: "ayu-dark", label: "Ayu Dark" },
+  { value: "catppuccin-frappe", label: "Catppuccin Frappé" },
+  { value: "catppuccin-latte", label: "Catppuccin Latte" },
+  { value: "catppuccin-macchiato", label: "Catppuccin Macchiato" },
+  { value: "catppuccin-mocha", label: "Catppuccin Mocha" },
+  { value: "dark-plus", label: "Dark Plus" },
+  { value: "dracula", label: "Dracula Theme" },
+  { value: "dracula-soft", label: "Dracula Theme Soft" },
+  { value: "one-dark-pro", label: "One Dark Pro" },
+  { value: "vitesse-dark", label: "Vitesse Dark" },
+  { value: "vitesse-light", label: "Vitesse Light" },
+];
+
+export default function ThemeSelector() {
+  const { theme, setTheme } = useCodeEditorStore();
+
+  return (
+    <div className="space-y-2">
+      <Select defaultValue={theme} onValueChange={setTheme}>
+        <SelectTrigger>
+          <SelectValue placeholder="Select theme" />
+        </SelectTrigger>
+        <SelectContent>
+          {themeOptions.map((option) => (
+            <SelectItem key={option.value} value={option.value}>
+              {option.label}
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+    </div>
+  );
+}

src/app/playground/layout.tsx

@@ -0,0 +1,41 @@
+import {
+  SidebarInset,
+  SidebarProvider,
+  SidebarTrigger,
+} from "@/components/ui/sidebar";
+import { SessionProvider } from "next-auth/react";
+import { Separator } from "@/components/ui/separator";
+import ThemeSelector from "./components/theme-selector";
+import { ModeSwitcher } from "@/components/mode-switcher";
+import LanguageSwitcher from "@/components/language-switcher";
+import LigaturesCheckbox from "./components/ligatures-checkbox";
+import { PlaygroundSidebar } from "@/app/playground/components/playground-sidebar";
+import MinimapCheckbox from "./components/minimap-checkbox";
+
+export default function PlaygroundLayout({
+  children,
+}: Readonly<{ children: React.ReactNode }>) {
+  return (
+    <SessionProvider>
+      <SidebarProvider>
+        <PlaygroundSidebar />
+        <SidebarInset>
+          <header className="flex h-14 shrink-0 items-center gap-2">
+            <div className="flex flex-1 items-center gap-2 px-3">
+              <SidebarTrigger />
+              <ModeSwitcher />
+              <Separator orientation="vertical" className="mr-2 h-4" />
+              <ThemeSelector />
+              <LigaturesCheckbox />
+              <MinimapCheckbox />
+            </div>
+            <div className="ml-auto px-3">
+              <LanguageSwitcher />
+            </div>
+          </header>
+          {children}
+        </SidebarInset>
+      </SidebarProvider>
+    </SessionProvider>
+  );
+}

src/app/playground/page.tsx

@@ -0,0 +1,9 @@
+import { CodeEditor } from "./components/code-editor";
+
+export default function PlaygroundPage() {
+  return (
+    <div className="flex flex-1 flex-col">
+      <CodeEditor />
+    </div>
+  );
+}

src/auth.ts

@@ -12,4 +12,5 @@ export const { handlers, signIn, signOut, auth } = NextAuth({
     }),
   ],
   secret: process.env.AUTH_SECRET,
+  debug: process.env.NODE_ENV === "development",
 });

src/components/language-switcher.tsx

@@ -0,0 +1,44 @@
+"use client";
+
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { useLocale } from "next-intl";
+import { Locale } from "@/i18n/config";
+import { setUserLocale } from "@/services/locale";
+
+const languages = [
+  { value: "en-US", label: "English (United States)", flag: "🇺🇸" },
+  { value: "zh-CN", label: "简体中文", flag: "🇨🇳" },
+];
+
+export default function LanguageSwitcher() {
+  const locale = useLocale();
+
+  function onChange(value: string) {
+    const locale = value as Locale;
+    setUserLocale(locale);
+  }
+
+  return (
+    <div className="space-y-2">
+      <Select defaultValue={locale} onValueChange={onChange}>
+        <SelectTrigger className="[&>span]:flex [&>span]:items-center [&>span]:gap-2 [&>span_svg]:shrink-0 [&>span_svg]:text-muted-foreground/80">
+          <SelectValue placeholder="Select language" />
+        </SelectTrigger>
+        <SelectContent className="[&_*[role=option]>span>svg]:shrink-0 [&_*[role=option]>span>svg]:text-muted-foreground/80 [&_*[role=option]>span]:end-2 [&_*[role=option]>span]:start-auto [&_*[role=option]>span]:flex [&_*[role=option]>span]:items-center [&_*[role=option]>span]:gap-2 [&_*[role=option]]:pe-8 [&_*[role=option]]:ps-2">
+          {languages.map((item) => (
+            <SelectItem key={item.value} value={item.value}>
+              <span className="text-lg leading-none">{item.flag}</span>{" "}
+              <span className="truncate">{item.label}</span>
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+    </div>
+  );
+}

src/components/mode-switcher.tsx

@@ -0,0 +1,37 @@
+// This implementation is derived from the solution provided by [shadcn] in shadcn/ui
+// https://github.com/shadcn-ui/ui
+
+"use client";
+
+import * as React from "react";
+import { useTheme } from "next-themes";
+import { Sun, Moon } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { META_THEME_COLORS } from "@/config/site";
+import { useMetaColor } from "@/hooks/use-meta-color";
+
+export function ModeSwitcher() {
+  const { setMetaColor } = useMetaColor();
+  const { setTheme, resolvedTheme } = useTheme();
+
+  const toggleTheme = React.useCallback(() => {
+    setTheme(resolvedTheme === "dark" ? "light" : "dark");
+    setMetaColor(
+      resolvedTheme === "dark"
+        ? META_THEME_COLORS.light
+        : META_THEME_COLORS.dark
+    );
+  }, [resolvedTheme, setTheme, setMetaColor]);
+
+  return (
+    <Button
+      variant="ghost"
+      className="group/toggle h-8 w-8 px-0"
+      onClick={toggleTheme}
+    >
+      <Sun className="hidden [html.dark_&]:block" />
+      <Moon className="hidden [html.light_&]:block" />
+      <span className="sr-only">Toggle theme</span>
+    </Button>
+  );
+}

src/components/theme-provider.tsx

@@ -0,0 +1,22 @@
+// This implementation is derived from the solution provided by [shadcn] in shadcn/ui
+// https://github.com/shadcn-ui/ui
+
+"use client";
+
+import * as React from "react";
+import { Provider as JotaiProvider } from "jotai";
+import { TooltipProvider } from "@/components/ui/tooltip";
+import { ThemeProvider as NextThemesProvider } from "next-themes";
+
+export function ThemeProvider({
+  children,
+  ...props
+}: React.ComponentProps<typeof NextThemesProvider>) {
+  return (
+    <JotaiProvider>
+      <NextThemesProvider {...props}>
+        <TooltipProvider delayDuration={0}>{children}</TooltipProvider>
+      </NextThemesProvider>
+    </JotaiProvider>
+  );
+}

src/components/ui/alert-dialog.tsx

@@ -0,0 +1,141 @@
+"use client"
+
+import * as React from "react"
+import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog"
+
+import { cn } from "@/lib/utils"
+import { buttonVariants } from "@/components/ui/button"
+
+const AlertDialog = AlertDialogPrimitive.Root
+
+const AlertDialogTrigger = AlertDialogPrimitive.Trigger
+
+const AlertDialogPortal = AlertDialogPrimitive.Portal
+
+const AlertDialogOverlay = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+    ref={ref}
+  />
+))
+AlertDialogOverlay.displayName = AlertDialogPrimitive.Overlay.displayName
+
+const AlertDialogContent = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPortal>
+    <AlertDialogOverlay />
+    <AlertDialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        className
+      )}
+      {...props}
+    />
+  </AlertDialogPortal>
+))
+AlertDialogContent.displayName = AlertDialogPrimitive.Content.displayName
+
+const AlertDialogHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+AlertDialogHeader.displayName = "AlertDialogHeader"
+
+const AlertDialogFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+AlertDialogFooter.displayName = "AlertDialogFooter"
+
+const AlertDialogTitle = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold", className)}
+    {...props}
+  />
+))
+AlertDialogTitle.displayName = AlertDialogPrimitive.Title.displayName
+
+const AlertDialogDescription = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+AlertDialogDescription.displayName =
+  AlertDialogPrimitive.Description.displayName
+
+const AlertDialogAction = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Action>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Action>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Action
+    ref={ref}
+    className={cn(buttonVariants(), className)}
+    {...props}
+  />
+))
+AlertDialogAction.displayName = AlertDialogPrimitive.Action.displayName
+
+const AlertDialogCancel = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Cancel>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Cancel>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Cancel
+    ref={ref}
+    className={cn(
+      buttonVariants({ variant: "outline" }),
+      "mt-2 sm:mt-0",
+      className
+    )}
+    {...props}
+  />
+))
+AlertDialogCancel.displayName = AlertDialogPrimitive.Cancel.displayName
+
+export {
+  AlertDialog,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogTrigger,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogFooter,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogAction,
+  AlertDialogCancel,
+}

src/components/ui/avatar.tsx

@@ -0,0 +1,50 @@
+"use client"
+
+import * as React from "react"
+import * as AvatarPrimitive from "@radix-ui/react-avatar"
+
+import { cn } from "@/lib/utils"
+
+const Avatar = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Root
+    ref={ref}
+    className={cn(
+      "relative flex h-10 w-10 shrink-0 overflow-hidden rounded-full",
+      className
+    )}
+    {...props}
+  />
+))
+Avatar.displayName = AvatarPrimitive.Root.displayName
+
+const AvatarImage = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Image>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Image>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Image
+    ref={ref}
+    className={cn("aspect-square h-full w-full", className)}
+    {...props}
+  />
+))
+AvatarImage.displayName = AvatarPrimitive.Image.displayName
+
+const AvatarFallback = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Fallback>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Fallback>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Fallback
+    ref={ref}
+    className={cn(
+      "flex h-full w-full items-center justify-center rounded-full bg-muted",
+      className
+    )}
+    {...props}
+  />
+))
+AvatarFallback.displayName = AvatarPrimitive.Fallback.displayName
+
+export { Avatar, AvatarImage, AvatarFallback }

src/components/ui/breadcrumb.tsx

@@ -0,0 +1,115 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { ChevronRight, MoreHorizontal } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Breadcrumb = React.forwardRef<
+  HTMLElement,
+  React.ComponentPropsWithoutRef<"nav"> & {
+    separator?: React.ReactNode
+  }
+>(({ ...props }, ref) => <nav ref={ref} aria-label="breadcrumb" {...props} />)
+Breadcrumb.displayName = "Breadcrumb"
+
+const BreadcrumbList = React.forwardRef<
+  HTMLOListElement,
+  React.ComponentPropsWithoutRef<"ol">
+>(({ className, ...props }, ref) => (
+  <ol
+    ref={ref}
+    className={cn(
+      "flex flex-wrap items-center gap-1.5 break-words text-sm text-muted-foreground sm:gap-2.5",
+      className
+    )}
+    {...props}
+  />
+))
+BreadcrumbList.displayName = "BreadcrumbList"
+
+const BreadcrumbItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentPropsWithoutRef<"li">
+>(({ className, ...props }, ref) => (
+  <li
+    ref={ref}
+    className={cn("inline-flex items-center gap-1.5", className)}
+    {...props}
+  />
+))
+BreadcrumbItem.displayName = "BreadcrumbItem"
+
+const BreadcrumbLink = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentPropsWithoutRef<"a"> & {
+    asChild?: boolean
+  }
+>(({ asChild, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a"
+
+  return (
+    <Comp
+      ref={ref}
+      className={cn("transition-colors hover:text-foreground", className)}
+      {...props}
+    />
+  )
+})
+BreadcrumbLink.displayName = "BreadcrumbLink"
+
+const BreadcrumbPage = React.forwardRef<
+  HTMLSpanElement,
+  React.ComponentPropsWithoutRef<"span">
+>(({ className, ...props }, ref) => (
+  <span
+    ref={ref}
+    role="link"
+    aria-disabled="true"
+    aria-current="page"
+    className={cn("font-normal text-foreground", className)}
+    {...props}
+  />
+))
+BreadcrumbPage.displayName = "BreadcrumbPage"
+
+const BreadcrumbSeparator = ({
+  children,
+  className,
+  ...props
+}: React.ComponentProps<"li">) => (
+  <li
+    role="presentation"
+    aria-hidden="true"
+    className={cn("[&>svg]:w-3.5 [&>svg]:h-3.5", className)}
+    {...props}
+  >
+    {children ?? <ChevronRight />}
+  </li>
+)
+BreadcrumbSeparator.displayName = "BreadcrumbSeparator"
+
+const BreadcrumbEllipsis = ({
+  className,
+  ...props
+}: React.ComponentProps<"span">) => (
+  <span
+    role="presentation"
+    aria-hidden="true"
+    className={cn("flex h-9 w-9 items-center justify-center", className)}
+    {...props}
+  >
+    <MoreHorizontal className="h-4 w-4" />
+    <span className="sr-only">More</span>
+  </span>
+)
+BreadcrumbEllipsis.displayName = "BreadcrumbElipssis"
+
+export {
+  Breadcrumb,
+  BreadcrumbList,
+  BreadcrumbItem,
+  BreadcrumbLink,
+  BreadcrumbPage,
+  BreadcrumbSeparator,
+  BreadcrumbEllipsis,
+}

src/components/ui/button.tsx

@@ -0,0 +1,57 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-9 px-4 py-2",
+        sm: "h-8 rounded-md px-3 text-xs",
+        lg: "h-10 rounded-md px-8",
+        icon: "h-9 w-9",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button"
+    return (
+      <Comp
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button, buttonVariants }

src/components/ui/checkbox.tsx

@@ -0,0 +1,30 @@
+"use client"
+
+import * as React from "react"
+import * as CheckboxPrimitive from "@radix-ui/react-checkbox"
+import { Check } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Checkbox = React.forwardRef<
+  React.ElementRef<typeof CheckboxPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <CheckboxPrimitive.Root
+    ref={ref}
+    className={cn(
+      "peer h-4 w-4 shrink-0 rounded-sm border border-primary shadow focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground",
+      className
+    )}
+    {...props}
+  >
+    <CheckboxPrimitive.Indicator
+      className={cn("flex items-center justify-center text-current")}
+    >
+      <Check className="h-4 w-4" />
+    </CheckboxPrimitive.Indicator>
+  </CheckboxPrimitive.Root>
+))
+Checkbox.displayName = CheckboxPrimitive.Root.displayName
+
+export { Checkbox }

src/components/ui/collapsible.tsx

@@ -0,0 +1,11 @@
+"use client"
+
+import * as CollapsiblePrimitive from "@radix-ui/react-collapsible"
+
+const Collapsible = CollapsiblePrimitive.Root
+
+const CollapsibleTrigger = CollapsiblePrimitive.CollapsibleTrigger
+
+const CollapsibleContent = CollapsiblePrimitive.CollapsibleContent
+
+export { Collapsible, CollapsibleTrigger, CollapsibleContent }

src/components/ui/dropdown-menu.tsx

@@ -0,0 +1,201 @@
+"use client"
+
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { Check, ChevronRight, Circle } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const DropdownMenu = DropdownMenuPrimitive.Root
+
+const DropdownMenuTrigger = DropdownMenuPrimitive.Trigger
+
+const DropdownMenuGroup = DropdownMenuPrimitive.Group
+
+const DropdownMenuPortal = DropdownMenuPrimitive.Portal
+
+const DropdownMenuSub = DropdownMenuPrimitive.Sub
+
+const DropdownMenuRadioGroup = DropdownMenuPrimitive.RadioGroup
+
+const DropdownMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubTrigger> & {
+    inset?: boolean
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default gap-2 select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none focus:bg-accent data-[state=open]:bg-accent [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto" />
+  </DropdownMenuPrimitive.SubTrigger>
+))
+DropdownMenuSubTrigger.displayName =
+  DropdownMenuPrimitive.SubTrigger.displayName
+
+const DropdownMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuSubContent.displayName =
+  DropdownMenuPrimitive.SubContent.displayName
+
+const DropdownMenuContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <DropdownMenuPrimitive.Portal>
+    <DropdownMenuPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md",
+        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className
+      )}
+      {...props}
+    />
+  </DropdownMenuPrimitive.Portal>
+))
+DropdownMenuContent.displayName = DropdownMenuPrimitive.Content.displayName
+
+const DropdownMenuItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Item> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&>svg]:size-4 [&>svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuItem.displayName = DropdownMenuPrimitive.Item.displayName
+
+const DropdownMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <DropdownMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.CheckboxItem>
+))
+DropdownMenuCheckboxItem.displayName =
+  DropdownMenuPrimitive.CheckboxItem.displayName
+
+const DropdownMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.RadioItem>
+))
+DropdownMenuRadioItem.displayName = DropdownMenuPrimitive.RadioItem.displayName
+
+const DropdownMenuLabel = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Label> & {
+    inset?: boolean
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Label
+    ref={ref}
+    className={cn(
+      "px-2 py-1.5 text-sm font-semibold",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+))
+DropdownMenuLabel.displayName = DropdownMenuPrimitive.Label.displayName
+
+const DropdownMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+))
+DropdownMenuSeparator.displayName = DropdownMenuPrimitive.Separator.displayName
+
+const DropdownMenuShortcut = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLSpanElement>) => {
+  return (
+    <span
+      className={cn("ml-auto text-xs tracking-widest opacity-60", className)}
+      {...props}
+    />
+  )
+}
+DropdownMenuShortcut.displayName = "DropdownMenuShortcut"
+
+export {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuGroup,
+  DropdownMenuPortal,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuRadioGroup,
+}

src/components/ui/input.tsx

@@ -0,0 +1,22 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }

src/components/ui/label.tsx

@@ -0,0 +1,26 @@
+"use client"
+
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const labelVariants = cva(
+  "text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+)
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> &
+    VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root
+    ref={ref}
+    className={cn(labelVariants(), className)}
+    {...props}
+  />
+))
+Label.displayName = LabelPrimitive.Root.displayName
+
+export { Label }

src/components/ui/select.tsx

@@ -0,0 +1,159 @@
+"use client"
+
+import * as React from "react"
+import * as SelectPrimitive from "@radix-ui/react-select"
+import { Check, ChevronDown, ChevronUp } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Select = SelectPrimitive.Root
+
+const SelectGroup = SelectPrimitive.Group
+
+const SelectValue = SelectPrimitive.Value
+
+const SelectTrigger = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "flex h-9 w-full items-center justify-between whitespace-nowrap rounded-md border border-input bg-transparent px-3 py-2 text-sm shadow-sm ring-offset-background placeholder:text-muted-foreground focus:outline-none focus:ring-1 focus:ring-ring disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1",
+      className
+    )}
+    {...props}
+  >
+    {children}
+    <SelectPrimitive.Icon asChild>
+      <ChevronDown className="h-4 w-4 opacity-50" />
+    </SelectPrimitive.Icon>
+  </SelectPrimitive.Trigger>
+))
+SelectTrigger.displayName = SelectPrimitive.Trigger.displayName
+
+const SelectScrollUpButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollUpButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollUpButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollUpButton
+    ref={ref}
+    className={cn(
+      "flex cursor-default items-center justify-center py-1",
+      className
+    )}
+    {...props}
+  >
+    <ChevronUp className="h-4 w-4" />
+  </SelectPrimitive.ScrollUpButton>
+))
+SelectScrollUpButton.displayName = SelectPrimitive.ScrollUpButton.displayName
+
+const SelectScrollDownButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollDownButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollDownButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollDownButton
+    ref={ref}
+    className={cn(
+      "flex cursor-default items-center justify-center py-1",
+      className
+    )}
+    {...props}
+  >
+    <ChevronDown className="h-4 w-4" />
+  </SelectPrimitive.ScrollDownButton>
+))
+SelectScrollDownButton.displayName =
+  SelectPrimitive.ScrollDownButton.displayName
+
+const SelectContent = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Content>
+>(({ className, children, position = "popper", ...props }, ref) => (
+  <SelectPrimitive.Portal>
+    <SelectPrimitive.Content
+      ref={ref}
+      className={cn(
+        "relative z-50 max-h-96 min-w-[8rem] overflow-hidden rounded-md border bg-popover text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        position === "popper" &&
+          "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
+        className
+      )}
+      position={position}
+      {...props}
+    >
+      <SelectScrollUpButton />
+      <SelectPrimitive.Viewport
+        className={cn(
+          "p-1",
+          position === "popper" &&
+            "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]"
+        )}
+      >
+        {children}
+      </SelectPrimitive.Viewport>
+      <SelectScrollDownButton />
+    </SelectPrimitive.Content>
+  </SelectPrimitive.Portal>
+))
+SelectContent.displayName = SelectPrimitive.Content.displayName
+
+const SelectLabel = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Label>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Label
+    ref={ref}
+    className={cn("px-2 py-1.5 text-sm font-semibold", className)}
+    {...props}
+  />
+))
+SelectLabel.displayName = SelectPrimitive.Label.displayName
+
+const SelectItem = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Item>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex w-full cursor-default select-none items-center rounded-sm py-1.5 pl-2 pr-8 text-sm outline-none focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    {...props}
+  >
+    <span className="absolute right-2 flex h-3.5 w-3.5 items-center justify-center">
+      <SelectPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </SelectPrimitive.ItemIndicator>
+    </span>
+    <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
+  </SelectPrimitive.Item>
+))
+SelectItem.displayName = SelectPrimitive.Item.displayName
+
+const SelectSeparator = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+))
+SelectSeparator.displayName = SelectPrimitive.Separator.displayName
+
+export {
+  Select,
+  SelectGroup,
+  SelectValue,
+  SelectTrigger,
+  SelectContent,
+  SelectLabel,
+  SelectItem,
+  SelectSeparator,
+  SelectScrollUpButton,
+  SelectScrollDownButton,
+}

src/components/ui/separator.tsx

@@ -0,0 +1,31 @@
+"use client"
+
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+)
+Separator.displayName = SeparatorPrimitive.Root.displayName
+
+export { Separator }

src/components/ui/sheet.tsx

@@ -0,0 +1,140 @@
+"use client"
+
+import * as React from "react"
+import * as SheetPrimitive from "@radix-ui/react-dialog"
+import { cva, type VariantProps } from "class-variance-authority"
+import { X } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+const Sheet = SheetPrimitive.Root
+
+const SheetTrigger = SheetPrimitive.Trigger
+
+const SheetClose = SheetPrimitive.Close
+
+const SheetPortal = SheetPrimitive.Portal
+
+const SheetOverlay = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className
+    )}
+    {...props}
+    ref={ref}
+  />
+))
+SheetOverlay.displayName = SheetPrimitive.Overlay.displayName
+
+const sheetVariants = cva(
+  "fixed z-50 gap-4 bg-background p-6 shadow-lg transition ease-in-out data-[state=closed]:duration-300 data-[state=open]:duration-500 data-[state=open]:animate-in data-[state=closed]:animate-out",
+  {
+    variants: {
+      side: {
+        top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
+        bottom:
+          "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
+        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        right:
+          "inset-y-0 right-0 h-full w-3/4 border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+      },
+    },
+    defaultVariants: {
+      side: "right",
+    },
+  }
+)
+
+interface SheetContentProps
+  extends React.ComponentPropsWithoutRef<typeof SheetPrimitive.Content>,
+    VariantProps<typeof sheetVariants> {}
+
+const SheetContent = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Content>,
+  SheetContentProps
+>(({ side = "right", className, children, ...props }, ref) => (
+  <SheetPortal>
+    <SheetOverlay />
+    <SheetPrimitive.Content
+      ref={ref}
+      className={cn(sheetVariants({ side }), className)}
+      {...props}
+    >
+      <SheetPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-secondary">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </SheetPrimitive.Close>
+      {children}
+    </SheetPrimitive.Content>
+  </SheetPortal>
+))
+SheetContent.displayName = SheetPrimitive.Content.displayName
+
+const SheetHeader = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col space-y-2 text-center sm:text-left",
+      className
+    )}
+    {...props}
+  />
+)
+SheetHeader.displayName = "SheetHeader"
+
+const SheetFooter = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) => (
+  <div
+    className={cn(
+      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
+      className
+    )}
+    {...props}
+  />
+)
+SheetFooter.displayName = "SheetFooter"
+
+const SheetTitle = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold text-foreground", className)}
+    {...props}
+  />
+))
+SheetTitle.displayName = SheetPrimitive.Title.displayName
+
+const SheetDescription = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Description
+    ref={ref}
+    className={cn("text-sm text-muted-foreground", className)}
+    {...props}
+  />
+))
+SheetDescription.displayName = SheetPrimitive.Description.displayName
+
+export {
+  Sheet,
+  SheetPortal,
+  SheetOverlay,
+  SheetTrigger,
+  SheetClose,
+  SheetContent,
+  SheetHeader,
+  SheetFooter,
+  SheetTitle,
+  SheetDescription,
+}

src/components/ui/sidebar.tsx

@@ -0,0 +1,763 @@
+"use client"
+
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { VariantProps, cva } from "class-variance-authority"
+import { PanelLeft } from "lucide-react"
+
+import { useIsMobile } from "@/hooks/use-mobile"
+import { cn } from "@/lib/utils"
+import { Button } from "@/components/ui/button"
+import { Input } from "@/components/ui/input"
+import { Separator } from "@/components/ui/separator"
+import { Sheet, SheetContent } from "@/components/ui/sheet"
+import { Skeleton } from "@/components/ui/skeleton"
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip"
+
+const SIDEBAR_COOKIE_NAME = "sidebar:state"
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7
+const SIDEBAR_WIDTH = "16rem"
+const SIDEBAR_WIDTH_MOBILE = "18rem"
+const SIDEBAR_WIDTH_ICON = "3rem"
+const SIDEBAR_KEYBOARD_SHORTCUT = "b"
+
+type SidebarContext = {
+  state: "expanded" | "collapsed"
+  open: boolean
+  setOpen: (open: boolean) => void
+  openMobile: boolean
+  setOpenMobile: (open: boolean) => void
+  isMobile: boolean
+  toggleSidebar: () => void
+}
+
+const SidebarContext = React.createContext<SidebarContext | null>(null)
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext)
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.")
+  }
+
+  return context
+}
+
+const SidebarProvider = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    defaultOpen?: boolean
+    open?: boolean
+    onOpenChange?: (open: boolean) => void
+  }
+>(
+  (
+    {
+      defaultOpen = true,
+      open: openProp,
+      onOpenChange: setOpenProp,
+      className,
+      style,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const isMobile = useIsMobile()
+    const [openMobile, setOpenMobile] = React.useState(false)
+
+    // This is the internal state of the sidebar.
+    // We use openProp and setOpenProp for control from outside the component.
+    const [_open, _setOpen] = React.useState(defaultOpen)
+    const open = openProp ?? _open
+    const setOpen = React.useCallback(
+      (value: boolean | ((value: boolean) => boolean)) => {
+        const openState = typeof value === "function" ? value(open) : value
+        if (setOpenProp) {
+          setOpenProp(openState)
+        } else {
+          _setOpen(openState)
+        }
+
+        // This sets the cookie to keep the sidebar state.
+        document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`
+      },
+      [setOpenProp, open]
+    )
+
+    // Helper to toggle the sidebar.
+    const toggleSidebar = React.useCallback(() => {
+      return isMobile
+        ? setOpenMobile((open) => !open)
+        : setOpen((open) => !open)
+    }, [isMobile, setOpen, setOpenMobile])
+
+    // Adds a keyboard shortcut to toggle the sidebar.
+    React.useEffect(() => {
+      const handleKeyDown = (event: KeyboardEvent) => {
+        if (
+          event.key === SIDEBAR_KEYBOARD_SHORTCUT &&
+          (event.metaKey || event.ctrlKey)
+        ) {
+          event.preventDefault()
+          toggleSidebar()
+        }
+      }
+
+      window.addEventListener("keydown", handleKeyDown)
+      return () => window.removeEventListener("keydown", handleKeyDown)
+    }, [toggleSidebar])
+
+    // We add a state so that we can do data-state="expanded" or "collapsed".
+    // This makes it easier to style the sidebar with Tailwind classes.
+    const state = open ? "expanded" : "collapsed"
+
+    const contextValue = React.useMemo<SidebarContext>(
+      () => ({
+        state,
+        open,
+        setOpen,
+        isMobile,
+        openMobile,
+        setOpenMobile,
+        toggleSidebar,
+      }),
+      [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar]
+    )
+
+    return (
+      <SidebarContext.Provider value={contextValue}>
+        <TooltipProvider delayDuration={0}>
+          <div
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH,
+                "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+                ...style,
+              } as React.CSSProperties
+            }
+            className={cn(
+              "group/sidebar-wrapper flex min-h-svh w-full has-[[data-variant=inset]]:bg-sidebar",
+              className
+            )}
+            ref={ref}
+            {...props}
+          >
+            {children}
+          </div>
+        </TooltipProvider>
+      </SidebarContext.Provider>
+    )
+  }
+)
+SidebarProvider.displayName = "SidebarProvider"
+
+const Sidebar = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    side?: "left" | "right"
+    variant?: "sidebar" | "floating" | "inset"
+    collapsible?: "offcanvas" | "icon" | "none"
+  }
+>(
+  (
+    {
+      side = "left",
+      variant = "sidebar",
+      collapsible = "offcanvas",
+      className,
+      children,
+      ...props
+    },
+    ref
+  ) => {
+    const { isMobile, state, openMobile, setOpenMobile } = useSidebar()
+
+    if (collapsible === "none") {
+      return (
+        <div
+          className={cn(
+            "flex h-full w-[--sidebar-width] flex-col bg-sidebar text-sidebar-foreground",
+            className
+          )}
+          ref={ref}
+          {...props}
+        >
+          {children}
+        </div>
+      )
+    }
+
+    if (isMobile) {
+      return (
+        <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+          <SheetContent
+            data-sidebar="sidebar"
+            data-mobile="true"
+            className="w-[--sidebar-width] bg-sidebar p-0 text-sidebar-foreground [&>button]:hidden"
+            style={
+              {
+                "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+              } as React.CSSProperties
+            }
+            side={side}
+          >
+            <div className="flex h-full w-full flex-col">{children}</div>
+          </SheetContent>
+        </Sheet>
+      )
+    }
+
+    return (
+      <div
+        ref={ref}
+        className="group peer hidden md:block text-sidebar-foreground"
+        data-state={state}
+        data-collapsible={state === "collapsed" ? collapsible : ""}
+        data-variant={variant}
+        data-side={side}
+      >
+        {/* This is what handles the sidebar gap on desktop */}
+        <div
+          className={cn(
+            "duration-200 relative h-svh w-[--sidebar-width] bg-transparent transition-[width] ease-linear",
+            "group-data-[collapsible=offcanvas]:w-0",
+            "group-data-[side=right]:rotate-180",
+            variant === "floating" || variant === "inset"
+              ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4))]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon]"
+          )}
+        />
+        <div
+          className={cn(
+            "duration-200 fixed inset-y-0 z-10 hidden h-svh w-[--sidebar-width] transition-[left,right,width] ease-linear md:flex",
+            side === "left"
+              ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
+              : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
+            // Adjust the padding for floating and inset variants.
+            variant === "floating" || variant === "inset"
+              ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4)_+2px)]"
+              : "group-data-[collapsible=icon]:w-[--sidebar-width-icon] group-data-[side=left]:border-r group-data-[side=right]:border-l",
+            className
+          )}
+          {...props}
+        >
+          <div
+            data-sidebar="sidebar"
+            className="flex h-full w-full flex-col bg-sidebar group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:border-sidebar-border group-data-[variant=floating]:shadow"
+          >
+            {children}
+          </div>
+        </div>
+      </div>
+    )
+  }
+)
+Sidebar.displayName = "Sidebar"
+
+const SidebarTrigger = React.forwardRef<
+  React.ElementRef<typeof Button>,
+  React.ComponentProps<typeof Button>
+>(({ className, onClick, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <Button
+      ref={ref}
+      data-sidebar="trigger"
+      variant="ghost"
+      size="icon"
+      className={cn("h-7 w-7", className)}
+      onClick={(event) => {
+        onClick?.(event)
+        toggleSidebar()
+      }}
+      {...props}
+    >
+      <PanelLeft />
+      <span className="sr-only">Toggle Sidebar</span>
+    </Button>
+  )
+})
+SidebarTrigger.displayName = "SidebarTrigger"
+
+const SidebarRail = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button">
+>(({ className, ...props }, ref) => {
+  const { toggleSidebar } = useSidebar()
+
+  return (
+    <button
+      ref={ref}
+      data-sidebar="rail"
+      aria-label="Toggle Sidebar"
+      tabIndex={-1}
+      onClick={toggleSidebar}
+      title="Toggle Sidebar"
+      className={cn(
+        "absolute inset-y-0 z-20 hidden w-4 -translate-x-1/2 transition-all ease-linear after:absolute after:inset-y-0 after:left-1/2 after:w-[2px] hover:after:bg-sidebar-border group-data-[side=left]:-right-4 group-data-[side=right]:left-0 sm:flex",
+        "[[data-side=left]_&]:cursor-w-resize [[data-side=right]_&]:cursor-e-resize",
+        "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+        "group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full group-data-[collapsible=offcanvas]:hover:bg-sidebar",
+        "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+        "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarRail.displayName = "SidebarRail"
+
+const SidebarInset = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"main">
+>(({ className, ...props }, ref) => {
+  return (
+    <main
+      ref={ref}
+      className={cn(
+        "relative flex min-h-svh flex-1 flex-col bg-background",
+        "peer-data-[variant=inset]:min-h-[calc(100svh-theme(spacing.4))] md:peer-data-[variant=inset]:m-2 md:peer-data-[state=collapsed]:peer-data-[variant=inset]:ml-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInset.displayName = "SidebarInset"
+
+const SidebarInput = React.forwardRef<
+  React.ElementRef<typeof Input>,
+  React.ComponentProps<typeof Input>
+>(({ className, ...props }, ref) => {
+  return (
+    <Input
+      ref={ref}
+      data-sidebar="input"
+      className={cn(
+        "h-8 w-full bg-background shadow-none focus-visible:ring-2 focus-visible:ring-sidebar-ring",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarInput.displayName = "SidebarInput"
+
+const SidebarHeader = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="header"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarHeader.displayName = "SidebarHeader"
+
+const SidebarFooter = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="footer"
+      className={cn("flex flex-col gap-2 p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarFooter.displayName = "SidebarFooter"
+
+const SidebarSeparator = React.forwardRef<
+  React.ElementRef<typeof Separator>,
+  React.ComponentProps<typeof Separator>
+>(({ className, ...props }, ref) => {
+  return (
+    <Separator
+      ref={ref}
+      data-sidebar="separator"
+      className={cn("mx-2 w-auto bg-sidebar-border", className)}
+      {...props}
+    />
+  )
+})
+SidebarSeparator.displayName = "SidebarSeparator"
+
+const SidebarContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="content"
+      className={cn(
+        "flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarContent.displayName = "SidebarContent"
+
+const SidebarGroup = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  )
+})
+SidebarGroup.displayName = "SidebarGroup"
+
+const SidebarGroupLabel = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "div"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-label"
+      className={cn(
+        "duration-200 flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 outline-none ring-sidebar-ring transition-[margin,opa] ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupLabel.displayName = "SidebarGroupLabel"
+
+const SidebarGroupAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & { asChild?: boolean }
+>(({ className, asChild = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="group-action"
+      className={cn(
+        "absolute right-3 top-3.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarGroupAction.displayName = "SidebarGroupAction"
+
+const SidebarGroupContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="group-content"
+    className={cn("w-full text-sm", className)}
+    {...props}
+  />
+))
+SidebarGroupContent.displayName = "SidebarGroupContent"
+
+const SidebarMenu = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu"
+    className={cn("flex w-full min-w-0 flex-col gap-1", className)}
+    {...props}
+  />
+))
+SidebarMenu.displayName = "SidebarMenu"
+
+const SidebarMenuItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ className, ...props }, ref) => (
+  <li
+    ref={ref}
+    data-sidebar="menu-item"
+    className={cn("group/menu-item relative", className)}
+    {...props}
+  />
+))
+SidebarMenuItem.displayName = "SidebarMenuItem"
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm outline-none ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-[[data-sidebar=menu-action]]/menu-item:pr-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:!size-8 group-data-[collapsible=icon]:!p-2 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:!p-0",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+const SidebarMenuButton = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    isActive?: boolean
+    tooltip?: string | React.ComponentProps<typeof TooltipContent>
+  } & VariantProps<typeof sidebarMenuButtonVariants>
+>(
+  (
+    {
+      asChild = false,
+      isActive = false,
+      variant = "default",
+      size = "default",
+      tooltip,
+      className,
+      ...props
+    },
+    ref
+  ) => {
+    const Comp = asChild ? Slot : "button"
+    const { isMobile, state } = useSidebar()
+
+    const button = (
+      <Comp
+        ref={ref}
+        data-sidebar="menu-button"
+        data-size={size}
+        data-active={isActive}
+        className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+        {...props}
+      />
+    )
+
+    if (!tooltip) {
+      return button
+    }
+
+    if (typeof tooltip === "string") {
+      tooltip = {
+        children: tooltip,
+      }
+    }
+
+    return (
+      <Tooltip>
+        <TooltipTrigger asChild>{button}</TooltipTrigger>
+        <TooltipContent
+          side="right"
+          align="center"
+          hidden={state !== "collapsed" || isMobile}
+          {...tooltip}
+        />
+      </Tooltip>
+    )
+  }
+)
+SidebarMenuButton.displayName = "SidebarMenuButton"
+
+const SidebarMenuAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean
+    showOnHover?: boolean
+  }
+>(({ className, asChild = false, showOnHover = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-action"
+      className={cn(
+        "absolute right-1 top-1.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 peer-hover/menu-button:text-sidebar-accent-foreground [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        showOnHover &&
+          "group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 data-[state=open]:opacity-100 peer-data-[active=true]/menu-button:text-sidebar-accent-foreground md:opacity-0",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuAction.displayName = "SidebarMenuAction"
+
+const SidebarMenuBadge = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div">
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    data-sidebar="menu-badge"
+    className={cn(
+      "absolute right-1 flex h-5 min-w-5 items-center justify-center rounded-md px-1 text-xs font-medium tabular-nums text-sidebar-foreground select-none pointer-events-none",
+      "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
+      "peer-data-[size=sm]/menu-button:top-1",
+      "peer-data-[size=default]/menu-button:top-1.5",
+      "peer-data-[size=lg]/menu-button:top-2.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuBadge.displayName = "SidebarMenuBadge"
+
+const SidebarMenuSkeleton = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    showIcon?: boolean
+  }
+>(({ className, showIcon = false, ...props }, ref) => {
+  // Random width between 50 to 90%.
+  const width = React.useMemo(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`
+  }, [])
+
+  return (
+    <div
+      ref={ref}
+      data-sidebar="menu-skeleton"
+      className={cn("rounded-md h-8 flex gap-2 px-2 items-center", className)}
+      {...props}
+    >
+      {showIcon && (
+        <Skeleton
+          className="size-4 rounded-md"
+          data-sidebar="menu-skeleton-icon"
+        />
+      )}
+      <Skeleton
+        className="h-4 flex-1 max-w-[--skeleton-width]"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  )
+})
+SidebarMenuSkeleton.displayName = "SidebarMenuSkeleton"
+
+const SidebarMenuSub = React.forwardRef<
+  HTMLUListElement,
+  React.ComponentProps<"ul">
+>(({ className, ...props }, ref) => (
+  <ul
+    ref={ref}
+    data-sidebar="menu-sub"
+    className={cn(
+      "mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l border-sidebar-border px-2.5 py-0.5",
+      "group-data-[collapsible=icon]:hidden",
+      className
+    )}
+    {...props}
+  />
+))
+SidebarMenuSub.displayName = "SidebarMenuSub"
+
+const SidebarMenuSubItem = React.forwardRef<
+  HTMLLIElement,
+  React.ComponentProps<"li">
+>(({ ...props }, ref) => <li ref={ref} {...props} />)
+SidebarMenuSubItem.displayName = "SidebarMenuSubItem"
+
+const SidebarMenuSubButton = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentProps<"a"> & {
+    asChild?: boolean
+    size?: "sm" | "md"
+    isActive?: boolean
+  }
+>(({ asChild = false, size = "md", isActive, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a"
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground outline-none ring-sidebar-ring hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 aria-disabled:pointer-events-none aria-disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
+        "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
+        size === "sm" && "text-xs",
+        size === "md" && "text-sm",
+        "group-data-[collapsible=icon]:hidden",
+        className
+      )}
+      {...props}
+    />
+  )
+})
+SidebarMenuSubButton.displayName = "SidebarMenuSubButton"
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+}

src/components/ui/skeleton.tsx

@@ -0,0 +1,15 @@
+import { cn } from "@/lib/utils"
+
+function Skeleton({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLDivElement>) {
+  return (
+    <div
+      className={cn("animate-pulse rounded-md bg-primary/10", className)}
+      {...props}
+    />
+  )
+}
+
+export { Skeleton }

src/components/ui/tabs.tsx

@@ -0,0 +1,55 @@
+"use client"
+
+import * as React from "react"
+import * as TabsPrimitive from "@radix-ui/react-tabs"
+
+import { cn } from "@/lib/utils"
+
+const Tabs = TabsPrimitive.Root
+
+const TabsList = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.List
+    ref={ref}
+    className={cn(
+      "inline-flex h-9 items-center justify-center rounded-lg bg-muted p-1 text-muted-foreground",
+      className
+    )}
+    {...props}
+  />
+))
+TabsList.displayName = TabsPrimitive.List.displayName
+
+const TabsTrigger = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Trigger>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "inline-flex items-center justify-center whitespace-nowrap rounded-md px-3 py-1 text-sm font-medium ring-offset-background transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow",
+      className
+    )}
+    {...props}
+  />
+))
+TabsTrigger.displayName = TabsPrimitive.Trigger.displayName
+
+const TabsContent = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Content
+    ref={ref}
+    className={cn(
+      "mt-2 ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
+      className
+    )}
+    {...props}
+  />
+))
+TabsContent.displayName = TabsPrimitive.Content.displayName
+
+export { Tabs, TabsList, TabsTrigger, TabsContent }

src/components/ui/tooltip.tsx

@@ -0,0 +1,32 @@
+"use client"
+
+import * as React from "react"
+import * as TooltipPrimitive from "@radix-ui/react-tooltip"
+
+import { cn } from "@/lib/utils"
+
+const TooltipProvider = TooltipPrimitive.Provider
+
+const Tooltip = TooltipPrimitive.Root
+
+const TooltipTrigger = TooltipPrimitive.Trigger
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Portal>
+    <TooltipPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className
+      )}
+      {...props}
+    />
+  </TooltipPrimitive.Portal>
+))
+TooltipContent.displayName = TooltipPrimitive.Content.displayName
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }

src/config/site.ts

@@ -0,0 +1,8 @@
+export const siteConfig = {
+  url: "https://github.com/NGC2207/judge4c",
+};
+
+export const META_THEME_COLORS = {
+  light: "#ffffff",
+  dark: "#09090b",
+};

src/dialogs/ConfirmationDialog.tsx

@@ -0,0 +1,51 @@
+// This implementation is derived from the solution provided by [baydisng13] in the discussion thread:
+// https://github.com/shadcn-ui/ui/discussions/3875
+
+"use client";
+
+import React from "react";
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog";
+import useConfirmationStore from "@/store/confirmationStore";
+
+const ConfirmationDialog = () => {
+  const {
+    open,
+    title,
+    description,
+    cancelLabel,
+    actionLabel,
+    onCancel,
+    onAction,
+    closeConfirmation,
+  } = useConfirmationStore();
+
+  return (
+    <AlertDialog open={open} onOpenChange={closeConfirmation}>
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>{title}</AlertDialogTitle>
+          <AlertDialogDescription>{description}</AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel onClick={onCancel}>
+            {cancelLabel}
+          </AlertDialogCancel>
+          <AlertDialogAction onClick={onAction}>
+            {actionLabel}
+          </AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  );
+};
+
+export default ConfirmationDialog;

src/hooks/use-meta-color.ts

@@ -0,0 +1,27 @@
+// This implementation is derived from the solution provided by [shadcn] in shadcn/ui
+// https://github.com/shadcn-ui/ui
+
+import * as React from "react";
+import { useTheme } from "next-themes";
+import { META_THEME_COLORS } from "@/config/site";
+
+export function useMetaColor() {
+  const { resolvedTheme } = useTheme();
+
+  const metaColor = React.useMemo(() => {
+    return resolvedTheme !== "dark"
+      ? META_THEME_COLORS.light
+      : META_THEME_COLORS.dark;
+  }, [resolvedTheme]);
+
+  const setMetaColor = React.useCallback((color: string) => {
+    document
+      .querySelector('meta[name="theme-color"]')
+      ?.setAttribute("content", color);
+  }, []);
+
+  return {
+    metaColor,
+    setMetaColor,
+  };
+}

src/hooks/use-mobile.tsx

@@ -0,0 +1,21 @@
+import * as React from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(
+    undefined
+  );
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    };
+    mql.addEventListener("change", onChange);
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    return () => mql.removeEventListener("change", onChange);
+  }, []);
+
+  return !!isMobile;
+}

src/i18n/config.ts

@@ -0,0 +1,5 @@
+export type Locale = (typeof locales)[number];
+
+export const locales = ["en-US", "zh-CN"] as const;
+
+export const defaultLocale: Locale = "en-US";

src/i18n/request.ts

@@ -0,0 +1,11 @@
+import { getUserLocale } from "@/services/locale";
+import { getRequestConfig } from "next-intl/server";
+
+export default getRequestConfig(async () => {
+  const locale = await getUserLocale();
+
+  return {
+    locale,
+    messages: (await import(`../../messages/${locale}.json`)).default,
+  };
+});

src/lib/gitea.ts

@@ -0,0 +1,13 @@
+import fetch from "cross-fetch";
+import { giteaApi } from "gitea-js";
+
+if (!process.env.GITEA_URL) {
+  throw new Error("GITEA_URL environment variable is not defined");
+}
+
+const api = giteaApi(process.env.GITEA_URL, {
+  token: process.env.GITEA_TOKEN,
+  customFetch: fetch,
+});
+
+export default api;

src/lib/providers/gitea.ts

@@ -2,7 +2,7 @@ import { Email as GiteaEmail, User } from "gitea-js";
 import { OAuthConfig, OAuthUserConfig } from "next-auth/providers";
 
 export interface GiteaProfile extends User {
-  username: string;
+  username?: string;
 }
 
 export default function Gitea(
@@ -65,8 +65,13 @@ export default function Gitea(
         name: profile.username ?? profile.login,
         email: profile.email,
         image: profile.avatar_url,
+        language: profile.language,
       };
     },
     options: config,
+    style: {
+      logo: "/gitea.svg",
+      brandColor: "#609926",
+    },
   };
 }

src/services/locale.ts

@@ -0,0 +1,14 @@
+"use server";
+
+import { cookies } from "next/headers";
+import { defaultLocale, Locale } from "@/i18n/config";
+
+const LOBE_LOCALE_COOKIE = "JUDGE4C_LOCALE";
+
+export async function getUserLocale() {
+  return (await cookies()).get(LOBE_LOCALE_COOKIE)?.value || defaultLocale;
+}
+
+export async function setUserLocale(locale: Locale) {
+  (await cookies()).set(LOBE_LOCALE_COOKIE, locale);
+}

src/store/codeEditorStore.ts

@@ -0,0 +1,31 @@
+import { create } from "zustand";
+
+interface CodeEditorState {
+  lang: string;
+  path: string;
+  theme: string;
+  value: string;
+  isMinimap: boolean;
+  isLigature: boolean;
+  setLang: (lang: string) => void;
+  setPath: (path: string) => void;
+  setTheme: (theme: string) => void;
+  setValue: (value: string) => void;
+  setIsMinimap: (isMinimap: boolean) => void;
+  setIsLigature: (isLigature: boolean) => void;
+}
+
+export const useCodeEditorStore = create<CodeEditorState>((set) => ({
+  lang: "c",
+  path: "",
+  theme: "one-dark-pro",
+  value: "",
+  isMinimap: false,
+  isLigature: false,
+  setLang: (lang) => set({ lang }),
+  setPath: (path) => set({ path }),
+  setTheme: (theme) => set({ theme }),
+  setValue: (value) => set({ value }),
+  setIsMinimap: (isMinimap) => set({ isMinimap }),
+  setIsLigature: (isLigature) => set({ isLigature }),
+}));

src/store/confirmationStore.ts

@@ -0,0 +1,71 @@
+// This implementation is derived from the solution provided by [baydisng13] in the discussion thread:
+// https://github.com/shadcn-ui/ui/discussions/3875
+
+import { create } from "zustand";
+
+interface ConfirmationState {
+  open: boolean;
+  title: string | null;
+  description: string | null;
+  cancelLabel: string | null;
+  actionLabel: string | null;
+  onCancel: () => void;
+  onAction: () => void;
+}
+
+interface ConfirmationActions {
+  openConfirmation: (data: {
+    title: string;
+    description: string;
+    cancelLabel: string;
+    actionLabel: string;
+    onCancel: () => void;
+    onAction: () => void;
+  }) => void;
+  closeConfirmation: () => void;
+}
+
+const useConfirmationStore = create<ConfirmationState & ConfirmationActions>(
+  (set) => ({
+    open: false,
+    title: null,
+    description: null,
+    cancelLabel: null,
+    actionLabel: null,
+    onCancel: () => {},
+    onAction: () => {},
+    openConfirmation: (data) =>
+      set(() => ({
+        open: true,
+        title: data.title,
+        description: data.description,
+        cancelLabel: data.cancelLabel,
+        actionLabel: data.actionLabel,
+        onCancel: data.onCancel,
+        onAction: data.onAction,
+      })),
+    closeConfirmation: () => {
+      // Close the confirmation dialog by setting the 'open' state to false.
+      set((state) => ({
+        ...state,
+        open: false,
+      }));
+      // After a short delay (100ms), reset the dialog's state to its initial values.
+      // This delay ensures that the dialog is fully closed before resetting,
+      // preventing any visual flickering or UI inconsistencies.
+      setTimeout(() => {
+        set((state) => ({
+          ...state,
+          title: null,
+          description: null,
+          cancelLabel: null,
+          actionLabel: null,
+          onCancel: () => {},
+          onAction: () => {},
+        }));
+      }, 100);
+    },
+  })
+);
+
+export default useConfirmationStore;

tailwind.config.ts

@@ -53,6 +53,16 @@ export default {
           "4": "hsl(var(--chart-4))",
           "5": "hsl(var(--chart-5))",
         },
+        sidebar: {
+          DEFAULT: "hsl(var(--sidebar-background))",
+          foreground: "hsl(var(--sidebar-foreground))",
+          primary: "hsl(var(--sidebar-primary))",
+          "primary-foreground": "hsl(var(--sidebar-primary-foreground))",
+          accent: "hsl(var(--sidebar-accent))",
+          "accent-foreground": "hsl(var(--sidebar-accent-foreground))",
+          border: "hsl(var(--sidebar-border))",
+          ring: "hsl(var(--sidebar-ring))",
+        },
       },
       borderRadius: {
         lg: "var(--radius)",